Add DoubleTestOp instruction

runtime/vm/method_recognizer.h

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_METHOD_RECOGNIZER_H_
 #define VM_METHOD_RECOGNIZER_H_
 
 #include "vm/allocation.h"
 
 namespace dart {
@@ skipping 28 matching lines @@
   V(_TypedList, _setFloat32, ByteArrayBaseSetFloat32, Dynamic, 0x6e72f2a4)     \
   V(_TypedList, _setFloat64, ByteArrayBaseSetFloat64, Dynamic, 0x4765edda)     \
   V(_TypedList, _setFloat32x4, ByteArrayBaseSetFloat32x4, Dynamic, 0x7cca4533) \
   V(_TypedList, _setInt32x4, ByteArrayBaseSetInt32x4, Dynamic, 0x7631bdbc)     \
   V(_StringBase, _interpolate, StringBaseInterpolate, Dynamic, 0x6f98eb49)     \
   V(_IntegerImplementation, toDouble, IntegerToDouble, Double, 0x2f409861)     \
   V(_Double, _add, DoubleAdd, Double, 0x0021c560)                              \
   V(_Double, _sub, DoubleSub, Double, 0x419b3c66)                              \
   V(_Double, _mul, DoubleMul, Double, 0x1a08cbe1)                              \
   V(_Double, _div, DoubleDiv, Double, 0x38d2770f)                              \
+  V(_Double, get:_isNaN, DoubleIsNaN, Bool, 0x09193f42)                        \

[Florian Schneider, 2016/10/18 20:34:21]

You can omit the method here, if it is in the list below. Then, I think you
don't need to add the private getters, and can leave double.dart unchanged.

[zra, 2016/10/18 22:36:32]

Done.

+  V(_Double, get:_isInfinite, DoubleIsInfinite, Bool, 0x34ef4e82)              \
   V(::, min, MathMin, Dynamic, 0x4276561c)                                     \
   V(::, max, MathMax, Dynamic, 0x54121d6a)                                     \
   V(::, _doublePow, MathDoublePow, Double, 0x698eb78d)                         \
   V(Float32x4, Float32x4., Float32x4Constructor, Float32x4, 0x05968999)        \
   V(Float32x4, Float32x4.zero, Float32x4Zero, Float32x4, 0x472a4c46)           \
   V(Float32x4, Float32x4.splat, Float32x4Splat, Float32x4, 0x00bba1a5)         \
   V(Float32x4, Float32x4.fromInt32x4Bits, Float32x4FromInt32x4Bits, Float32x4, \
     0x46d00995)                                                                \
   V(Float32x4, Float32x4.fromFloat64x2, Float32x4FromFloat64x2, Float32x4,     \
     0x685a86d2)                                                                \
@@ skipping 89 matching lines @@
   V(_Montgomery, _mulMod, Montgomery_mulMod, Dynamic, 0x741bed13)              \
   V(_Double, >, Double_greaterThan, Bool, 0x569b0a81)                          \
   V(_Double, >=, Double_greaterEqualThan, Bool, 0x6c317340)                    \
   V(_Double, <, Double_lessThan, Bool, 0x26dda4bc)                             \
   V(_Double, <=, Double_lessEqualThan, Bool, 0x1e869d20)                       \
   V(_Double, ==, Double_equal, Bool, 0x578a1a51)                               \
   V(_Double, +, Double_add, Double, 0x4bac5dd5)                                \
   V(_Double, -, Double_sub, Double, 0x62052dbb)                                \
   V(_Double, *, Double_mul, Double, 0x23d068d8)                                \
   V(_Double, /, Double_div, Double, 0x48bac1dc)                                \
-  V(_Double, get:isNaN, Double_getIsNaN, Bool, 0x0af8ebeb)                     \
+  V(_Double, get:isNaN, Double_getIsNaN, Bool, 0x0cf86c88)                     \
+  V(_Double, get:isInfinite, Double_getIsInfinite, Bool, 0x0e249b68)           \
   V(_Double, get:isNegative, Double_getIsNegative, Bool, 0x3a58ff36)           \
   V(_Double, _mulFromInteger, Double_mulFromInteger, Double, 0x330e9a36)       \
   V(_Double, .fromInteger, DoubleFromInteger, Double, 0x7ef45843)              \
   V(_List, []=, ObjectArraySetIndexed, Dynamic, 0x34d2c72c)                    \
   V(_GrowableList, .withData, GrowableArray_Allocate, GrowableObjectArray,     \
     0x25a786de)                                                                \
   V(_GrowableList, add, GrowableArray_add, Dynamic, 0x0d1358ed)                \
   V(_RegExp, _ExecuteMatch, RegExp_ExecuteMatch, Dynamic, 0x6036d7fa)          \
   V(Object, ==, ObjectEquals, Bool, 0x11662ed8)                                \
   V(Object, get:runtimeType, ObjectRuntimeType, Type, 0x00e7c26b)              \
@@ skipping 381 matching lines @@
 // Class that recognizes factories and returns corresponding result cid.
 class FactoryRecognizer : public AllStatic {
  public:
   // Return kDynamicCid if factory is not recognized.
   static intptr_t ResultCid(const Function& factory);
 };
 
 }  // namespace dart
 
 #endif  // VM_METHOD_RECOGNIZER_H_